40857560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9371}}^1$

素因数の和:9491

約数の個数: 32

約数和(自身を含む): 92782800

約数和(自身を除く): 51925240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9371, 18742, 37484, 46855, 74968, 93710, 187420, 374840, 1021439, 2042878, 4085756, 5107195, 8171512, 10214390, 20428780, 40857560]

約数ペア:

[(1, 40857560), (2, 20428780), (4, 10214390), (5, 8171512), (8, 5107195), (10, 4085756), (20, 2042878), (40, 1021439), (109, 374840), (218, 187420), (436, 93710), (545, 74968), (872, 46855), (1090, 37484), (2180, 18742), (4360, 9371)]